Articles tagged with Greenhouse Gases
A recent study highlights the importance of considering lamb's nutritional value when comparing its carbon footprint. The research found that lambs finished on grass diets had a lower carbon footprint per unit of omega-3 polyunsaturated fatty acids content, making them a more sustainable option.
Scientists develop a new method to calculate the total carbon emissions consistent with the Paris climate targets of 1.5°C and 2°C of global warming. The study estimates emissions budgets that are at least 10% larger than previous models, indicating a need for urgent action to reduce emissions.
A new study from North Carolina State University and Duke University found that wind plays a critical role in ocean currents in the equatorial Pacific. The research suggests that better simulating these processes is essential for creating more accurate models of global warming, which can help policymakers make informed decisions.
Replacing half of red and processed meat intake with plant protein foods reduces diet-related greenhouse gas emissions by 25%. Partial substitutions also lead to increased lifespan and mitigate chronic disease risk.
Researchers found that microbial viruses carry special genetic elements for controlling methane processes, called auxiliary metabolic genes (AMGs). The study suggests that viral contributions to methane cycling are underestimated and deserve more attention.
A new study from the University of Delaware and Yale University aims to improve cost estimates for reducing greenhouse gas emissions by understanding the underlying frictions that prevent people from adopting newer, greener technologies. The researchers focus on the social sciences to better understand these negative costs.
Over the last three decades, approximately 11,000 sq miles of Greenland's ice sheet have melted, equivalent to about 1.6% of its total ice cover. This has led to a significant increase in vegetation growth, with dense wetland areas forming in previously icy regions.
Jian Shi, a UH researcher, has developed a carbon-driven framework called "ZERO-Accelerator" to expedite the transition from fossil fuels to clean energy. The framework integrates novel mechanisms and algorithms into current power grid operational practices to achieve a 24/7 zero-carbon power grid.
Scientists have developed a method to convert waste carbon dioxide into formic acid, a colorless and pungent liquid with potential as a transportation fuel and petrochemical industry enhancer. The new method efficiently converted CO2 for over 5,000 hours, suggesting cost-effective scalability.
A team of researchers at Kyushu University found that Japan's current policy may not be enough to reduce CO2 emissions and achieve decarbonization goals. To address this, the government must extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain.
A new study reveals conflicting national and sectorial targets, as well as differing availability of abatement options, hinder companies' ability to mitigate greenhouse gas emissions. The researchers propose introducing a carbon measurement and management process alongside a dynamic framework to align climate targets and actions.
A study from Chalmers University of Technology found that the production and use of ammonia as a marine fuel can lead to eutrophication, acidification, and emissions of potent greenhouse gases. Researchers warn that the pursuit of low-carbon fuels may create new environmental challenges.
A study published in Marine Policy found that spatial restrictions after Brexit led to a doubling of greenhouse gas emissions from Norway's mackerel fishing fleet. The change resulted in a significant increase in fuel usage and carbon footprint, equivalent to half a million CO2 emissions per year.
A recent study published in Allergy found that climate change has negative effects on atopic dermatitis, including increased inflammation from air pollution and stress from droughts. The researchers called for further research to address the impact of multiple climatic factors on eczema incidence and prevalence.
A new study finds that global carbon markets overcredit cookstove GHG reductions by a factor of 10, affecting climate targets and trust in the market. The study recommends prioritizing projects with stoves meeting World Health Organization's health standards.
A Colorado State University study quantifies greenhouse gas emissions from US irrigation pumping, highlighting the significant impact of groundwater pumping and location on emissions. The research estimates that electric pumps can play a key role in decarbonizing irrigation systems as the electrical grid becomes cleaner.
A new bifunctional water electrolysis catalyst made from ruthenium, silicon, and tungsten enables the efficient production of high-purity green hydrogen. The catalyst demonstrates exceptional durability in acidic environments, making it an attractive alternative to traditional precious metal catalysts.
A new study finds that cities with higher per-capita GDP generate more waste, while economies of scale reduce greenhouse gas emissions. The research uses scaling theory to analyze waste products from over 1,000 cities worldwide.
A new study in the Journal of Dairy Science analyzes the life cycle of milk production in 47 small farms in Karnataka, India, identifying key emissions hotspots and potential sustainability improvements. The research highlights the importance of high-yielding animals and efficient feeding strategies to reduce carbon footprints.
A recent study published in PLOS ONE found that methane and nitrous oxide emissions from human breath could account for up to 0.1% of UK greenhouse gas emissions, highlighting the potential impact of individual respiratory activity on climate change.
Scientists have discovered vast quantities of methane trapped beneath Svalbard's permafrost, which could migrate and escape if it thaws. This could create a cycle of warming, exacerbating the climate crisis and accelerating global warming.
A recent study found that beef operations with lifelong grass-based diets may produce a 42% higher carbon footprint when considering soil carbon sequestration and carbon opportunity costs. This is in contrast to grain-finished operations, which have been previously shown to have a lower environmental impact. The study's findings emphas...
The study reveals that oil-built villas in the Gulf Cooperation Council countries have led to a significant increase in greenhouse gas emissions. The researchers found that while these structures are often energy-intensive, Oman stands out as an exception due to its adherence to Islamic building regulations.
Researchers at Newcastle University found that climate change can cause frozen methane to melt and release methane into the sea. This process, known as hydrate dissociation, has significant implications for predicting and addressing the impact of methane on our changing climate.
International collaboration is crucial to reduce greenhouse gas emissions in the construction industry. A global policy can help harmonize climate regulations among neighboring countries, promoting a decarbonized built environment.
Plants capture more carbon on weekends when industrial production decreases and fewer people commute, finding similar patterns during COVID-19 lockdowns. This improvement in air quality could enhance natural carbon sequestration and mitigate climate change.
Researchers at the University of Sydney have developed a new technique using liquid metals to replace energy-intensive chemical engineering processes. The method reduces greenhouse gas emissions by up to 15% and enables the production of high-energy fuels like propylene, crucial for various industries.
Rapid adoption of zero-emission vehicles is essential alongside a clean electric grid transition. Managing travel demand growth reduces the need for clean electricity supply. The study explores changes in technology, behavior, and policies to envision sustainable transportation systems.
A new study suggests that reducing greenhouse gas emissions is not enough to combat climate change, with a potential for global warming to reach as high as 4.8°C. Aerosol reduction has offset some warming in the past century, but its decline may now reveal hidden greenhouse gas warming.
Researchers analyze waste samples from 55 lined pit latrines in Malawi to understand the complex microbial communities. The findings reveal that aerobic microbes are more abundant near the surface and anaerobic microbes deeper in the pit, helping break down human waste and reducing greenhouse gas emissions.
A new study finds that the global carbon budget for keeping warming below 1.5°C will be exhausted by 2029 if current emissions continue, committing the world to this level of warming. The remaining budget has approximately halved since 2020 due to increased greenhouse gas emissions.
A new study finds that heat-related cardiovascular deaths may more than double in the US by the middle of the century, with elderly and Black adults being most at risk. The projections suggest that reducing greenhouse gas emissions can mitigate this impact, but infrastructure interventions such as increasing tree cover may also be effe...
A team of researchers warns that global coastal adaptations are inadequate to address climate change threats, citing short-sighted policies and projects. The experts call for decisive action by the international policy community to identify and tackle key risk areas.
A new study published in The American Journal of Clinical Nutrition found that consuming more red meat is associated with a higher risk of developing type 2 diabetes. Replacing red meat with plant-based protein sources like nuts and legumes may reduce this risk.
Researchers from Aarhus University found that current inventory methods rely solely on nitrogen content, neglecting degradability and leading to misleading inventories. The study suggests a distinction between mature and immature crop residues could improve accuracy and target mitigation strategies.
Researchers at UTSA have been awarded a grant to develop a new technology that converts carbon dioxide into a raw material for producing chemical products. The project has the potential to create a productive area of catalysis research and reduce greenhouse emissions.
Producing new plastic via advanced recycling of post-use plastic reduces GHG emissions by 18-23% and fossil energy use by 65-70%. The study analyzed 2017-2021 data from eight companies and found a further 40-50% reduction when factoring in current end-of-life practices.
A new analysis estimates that switching all pet dogs and cats to vegan diets could spare nearly 2 billion land-based livestock animals yearly in the US, and nearly 7 billion globally. This could lead to significant reductions in environmental impacts such as land use, water consumption, and greenhouse gas emissions.
A new study by the University of Göttingen reveals that oil palms' photosynthesis and response to meteorological and soil conditions play a significant role in N2O production. The research suggests that conventional measurement approaches can underestimate emissions by up to 49%.
Researchers developed a scalable framework to quantify field-level agricultural carbon outcomes, integrating sensing techniques and advanced ecosystem models. The study provides a reliable method for measuring individual farm field-level greenhouse gas emissions and offers insights into the impact of farming practices on climate change.
Researchers studied ancient aquatic plant waxes to understand how global warming affects methane production in Arctic lakes. They found that past warming led to an intensified methane cycle lasting thousands of years, and that ongoing warming could lead to previously under-appreciated fluxes in methane emissions.
Researchers found that ponds sequester 65-87% of the total carbon burial rate in lakes, but are net emitters due to methane release. Managing nutrient levels and using underwater circulators can help reduce methane emissions.
This study investigates the consistency of greenhouse gas concentrations obtained from the GOSAT and GOSAT-2 satellites, focusing on CO2 and CH4 retrieval algorithms and validation. The analysis reveals systematic differences in concentration data between satellites that vary temporally and spatially.
Employing agricultural technology can reduce greenhouse gas emissions by generating net negative emissions, with methods including biochar, agroforestry, and sustainable seafood harvesting. The most effective way to reduce emissions is through soil modifications, agroforestry, and hydrogen-powered fertilizer production.
Scientists have engineered trees to be easier to disassemble into simpler building blocks using callose-enriched wood. This approach increases the efficiency of converting woody plant biomass to fuel and other useful products.
A new Danish study measured nitrous oxide emissions from fertilizer materials in spring barley, finding that commercial fertilizers emit less N2O than previously assumed. Organic fertilizers, including livestock manure and digestates, emitted more N2O on average.
Scientists have quantified a direct link between greenhouse gas emissions and polar bear survival, overcoming a loophole in the Endangered Species Act. The study provides a template for estimating the demographic impact of proposed GHG-emitting actions on polar bears.
A new study from the University of Washington and Polar Bears International reveals a direct link between cumulative greenhouse gas emissions and polar bear demographic changes. The study shows that reducing greenhouse gas emissions can help protect polar bears, with implications beyond just this species.
Mainz University and Evonik researchers have created an environmentally friendly process to generate dicarboxylic acids, a crucial chemical building block for polyamides. The new technique uses only oxygen, electricity, and hydrocarbon compounds, eliminating heavy metals and strong acids, and resulting in no nitrogen oxide emissions.
A study published in Science found that overestimations of forest preservation in voluntary REDD+ projects result in the generation of millions of worthless carbon credits. The research team calculated that only 6% of these credits are linked to actual reductions in carbon emissions.
Researchers from Iowa State University and Wichita State University are developing a green fertilizer system that captures waste nitrogen and carbon dioxide to produce a fertilizer reducing nitrous oxide emissions. The project aims to promote sustainable farming practices in the Midwest region.
A new study from the University of Massachusetts Amherst found that the wealthiest 10% of Americans are responsible for 40% of the nation's total greenhouse gas emissions. The study suggests that policymakers adopt taxes focused on shareholders and the carbon intensity of investment incomes to equitably meet climate goals.
A Dartmouth-led study suggests that expanded irrigation of corn and soybeans in the US could outweigh costs by mid-century. The research found that certain regions, such as North Dakota and Michigan, would benefit from irrigation due to increasing drought conditions.
Researchers from the University of Copenhagen predict the Atlantic Meridional Overturning Circulation (AMOC) will collapse between 2025 and 2095, with major consequences for Earth's climate. The study contradicts the latest IPCC report and highlights the importance of reducing global greenhouse gas emissions.
A new study found that Sahara dust can enhance the removal of methane from the atmosphere through a photocatalytic reaction. The reaction involves the activation of mineral dust and sea spray aerosols in the presence of sunlight, producing chlorine atoms that oxidize atmospheric methane and tropospheric ozone.
Researchers have developed a single-atom catalyst that efficiently removes methane from engine exhaust at low temperatures, even when the engine is starting. The catalyst uses every atom of precious metals and maintains reaction stability at higher temperatures.
Researchers at West Virginia University are developing a hydrogen flexible boiler to decarbonize the food and beverage industry. The technology, proposed by Hailin Li, will supply thermal energy by burning clean fuel rather than traditional fossil fuels.
A new study suggests capping the energy use of the top 20% of consumers could reduce carbon emissions by 11.4%. The strategy would allow those with lower incomes to increase their consumption levels, promoting fairness and delivering climate justice.
Researchers have discovered that adding the tropical alga Asparagopsis taxiformis, also known as red sea plume, to cow feces significantly reduces methane production by 44%. The study suggests that this approach could be a promising natural method for reducing greenhouse gas emissions from manure.
Researchers found that cultivating reed grass on undrained peat soil or wet meadows can significantly reduce greenhouse gas emissions compared to traditional potato crop rotation. This approach also offers potential economic benefits and can help restore the original ecosystem with high biodiversity.